Arctic Monkeys rocker JAMIE COOK has decided to buy his first house after his mother gave him her blessing The I BET YOU LOOK GOOD ON THE DANCEFLOOR guitarist offered the GBP210,000 ($380,000) asking price on the four bedroom property in Sheffield, England The home is nearby the 21-year-old's parents' house An insider says, "He's still very young so he took his mum to help him She told him the house was a sound investment and a fantastic first home "